void main(int argc, char *argv)
{	
	int i;
	int fd;
	char buf[32] = {0};

	printf("this is %s(): %d >>> argc = %d\r\n", __func__, __LINE__, argc);
	printf("this is %s(): %d >>> argv = %x\r\n", __func__, __LINE__, argv);
	printf("this is %s(): %d >>> argv = %s\r\n", __func__, __LINE__, argv);

	fd = open(argv, 0 ,0);
	printf("this is %s(): %d >>> fd = %d\r\n", __func__, __LINE__, fd);

	read(fd, buf, sizeof(buf), 0);
	for (i = 0; i < sizeof(buf); i++) {
		printf("%c", buf[i]);		
	}
	printf("\r\n");

	exit();
}
